Deuterium
Properties
- Molecular formula
- D2
- Molar mass
- 4.03 g/mol
- Exact mass
- 4.0282 Da
- Density
- 0.2059 g/mL (at −269 °C)
- Melting point
- −254.43 °C
- Boiling point
- −249.49 °C
- logP
- 0.25Crippen estimate
- Polar surface area
- 0.0 Ų
- H-bond donors / acceptors
- 0 / 0
- Rotatable bonds
- 0
Hazards
Danger
- H220 Extremely flammable gas97.6% of notifiers
- H280 Contains gas under pressure; may explode if heated100% of notifiers
Aggregated from 123 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P203, P210, P222, P280, P377, P381, P403, P410+P403
Identifiers
CAS number
7782-39-0SMILES
[2H][2H]InChIKey
UFHFLCQGNIYNRP-VVKOMZTBSA-NInChI
InChI=1S/H2/h1H/i1+1DWeigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
9 names
- Diplogen
- Hydrogen-2
- Deuterium molecule
- Hydrogen, isotope of mass 2
- Hydrogen-d2
- Deuterium (D2)
- Dideuterium
- Deuterium mol.
- 2H
Work with Deuterium
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.